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Cryptodontia
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| Cryptodontia Temporal range: Middle Permian - Late Permian
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|---|---|
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| Skull of Oudenodon latirostris | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Synapsida |
| Clade: | Therapsida |
| Clade: | †Anomodontia |
| Clade: | †Dicynodontia |
| Clade: | †Bidentalia |
| Clade: | †Cryptodontia Owen, 1860 |
| Subgroups | |
| Synonyms | |
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Cryptodontia is a group of dicynodont therapsids that includes the families Geikiidae, Oudenodontidae, and Rhachiocephalidae. It was first named in 1860 by English paleontologist Richard Owen. Owen intended Cryptodontia to be a family, and the name was later changed to "Cryptodontidae" to reflect this ranking. The name Cryptodontia was restored in 2009 when it was redefined as a larger clade containing several families of dicynodonts.[1]
Classification
[edit]Below is a cladogram from Kammerer et al. (2011) showing the phylogenetic placement of Cryptodontia:
Below is a cladogram by Angielczyk and Otoo, 2025 in their description of the species Mdomowabata trilobops, depicting the interrelationships of cryptodonts in more detail.[2]
References
[edit]- ^ Kammerer, C.F.; Angielczyk, K.D. (2009). "A proposed higher taxonomy of anomodont therapsids" (PDF). Zootaxa. 2018: 1–24.
- ^ Angielczyk, Kenneth D.; Otoo, Benjamin K. A. (2025-08-07). "A new cryptodont dicynodont (Therapsida, Anomodontia) from the Lopingian Usili Formation, Ruhuhu Basin, Tanzania". Journal of Vertebrate Paleontology. 45 (sup1) 2441898. Bibcode:2025JVPal..4541898A. doi:10.1080/02724634.2024.2441898. ISSN 0272-4634.
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